Home / 391,024.18-586,546.46-124,784.33

Finding the Fourth Proportional to 391,024.18, 586,546.46 and 124,784.33

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Solution

The fourth proportional to 391,024.18, 586,546.46 and 124,784.33 is: 187,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,024.18 : 586,546.46 = 124,784.33 : x
  2. Step 2: Convert to fraction form
    391,024.18/586,546.46 = 124,784.33/x
  3. Step 3: Cross multiply
    391,024.18x = 586,546.46 × 124,784.33
  4. Step 4: Simplify right side
    391,024.18x = 73,191,807,024.97
  5. Step 5: Solve for x
    x = 73,191,807,024.97/391,024.18
  6. Step 6: Final answer
    x = 187,179.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.